1853149135 has 16 divisors (see below), whose sum is σ = 2390630400. Its totient is φ = 1374605856.

The previous prime is 1853149127. The next prime is 1853149139. The reversal of 1853149135 is 5319413581.

It is a cyclic number.

It is not a de Polignac number, because 1853149135 - 2³ = 1853149127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1853149139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203055 + ... + 211984.

It is an arithmetic number, because the mean of its divisors is an integer number (149414400).

Almost surely, 2^1853149135 is an apocalyptic number.

1853149135 is a deficient number, since it is larger than the sum of its proper divisors (537481265).

1853149135 is a wasteful number, since it uses less digits than its factorization.

1853149135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415110.

The product of its digits is 64800, while the sum is 40.

The square root of 1853149135 is about 43048.2187204070. The cubic root of 1853149135 is about 1228.2971865315.

The spelling of 1853149135 in words is "one billion, eight hundred fifty-three million, one hundred forty-nine thousand, one hundred thirty-five".